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PartsTable / COMPONENT / B-758
B-758 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FLAT, stem_style: GROOVED, head_height: 0.1790 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN, neck_radius: 1.0000 INCHES NOMINAL IN, stem_length: 6.5340 INCHES MINIMUM AND 6.5640 INCHES MAXIMUM IN, groove_width: 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-150-7406, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
B-758
NSN: 2815-00-150-7406
FSC: 2815
CAGE: 2D027 — TRW AUTOMOTIVE INC. DBA TRW AUTOMOTIVE NORTH AMERICA TECH CTR DIV TRW AUTOMOTIVE US LLC - ENGINE COMPONENTS (USA)
SPECIFICATIONS
head_styleFLAT
stem_styleGROOVED
head_height0.1790 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
neck_radius1.0000 INCHES NOMINAL IN
stem_length6.5340 INCHES MINIMUM AND 6.5640 INCHES MAXIMUM IN
groove_width0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN
stem_diameter0.4975 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN
chamfer_length0.0300 INCHES NOMINAL IN
groove_diameter0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN
outside_diameter2.4950 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN
seat_angle_in_deg75.0
carbon_relief_grooveNOT INCLUDED
NSN2815-00-150-7406
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN B-758 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
SEAT ANGLE IN DEG: 75.0
•
GROOVE DIAMETER: 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN
•
METALLIC HARDNESS RATING AND LOCATION: 36.0 ROCKWELL C MAXIMUM HEAD
•
NECK RADIUS: 1.0000 INCHES NOMINAL IN
•
GROOVE WIDTH: 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 2.4950 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.1790 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE IN DEG75.0
GROOVE DIAMETER0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION36.0 ROCKWELL C MAXIMUM HEAD
NECK RADIUS1.0000 INCHES NOMINAL IN
METALLIC HARDNESS RATING AND LOCATION27.0 ROCKWELL C MINIMUM HEAD
GROOVE WIDTH0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN
OUTSIDE DIAMETER2.4950 INCHES MINIMUM AND 2.5050 INCHES MAXIMUM IN
HEAD HEIGHT0.1790 INCHES MINIMUM AND 0.1950 INCHES MAXIMUM IN
DISTANCE FROM GROOVE TO STEM END0.2740 INCHES MINIMUM AND 0.2880 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION36.0 ROCKWELL C MAXIMUM SEAT FACE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
54017AInterchangeable
interchangeable cross-reference
interchangeable
90030Interchangeable
interchangeable cross-reference
interchangeable
3000860Interchangeable
interchangeable cross-reference
interchangeable
CAT-L-1922Interchangeable
interchangeable cross-reference
interchangeable
9.75R20Interchangeable
interchangeable cross-reference
interchangeable
13211E4136-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-758?
B-758 is a VALVE,POPPET,ENGINE.
What parts can replace B-758?
There are 25 known substitutes for B-758: 54017A, 90030, 3000860 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-758?
B-758 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-150-7406. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026